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Informational 19 Bitcoin

chore(core): change string tuple to propertytype

Public commit record

What the developer wrote

Authored by Lukas Bielesch

57/100 · Thin
chore(core): change string tuple to propertytype

[no chengelog]
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope! No meaningful explanatory body
The short version

What changed, and why it matters

This is a large internal refactoring of how Trezor's user-interface passes key-value display data from Python apps to the Rust firmware. It replaces two-element string tuples with a new three-element 'PropertyType' that adds a flag indicating whether a value is raw data. The change touches many coin apps and UI layouts but is described by the vendor as a routine chore with no changelog entry. There is no direct evidence in the commit of a security vulnerability or fix.

Recommended action

Treat as a routine refactor. If monitoring this project, verify that follow-up commits add or update UI tests and that the new PropertyType flag is consistently honored by all layouts to avoid display bugs. No immediate security response is indicated by this commit alone.

Security signals we found

01

Large cross-cutting UI API change with no changelog or security framing

02

Type narrowing from raw Obj to TString/StrOrBytes in Rust UI boundary

03

Addition of a third 'is_data' boolean to property tuples across many coin apps

04

No explicit bounds checks or validation changes visible in the diff

05

No vendor disclosure or advisory references present

Risk score

Why this scored 19/100

Our methodology →
Potential impact 2/30
Exploitability 1/25
Stealth signal 1/15
Affected reach 3/15
Confidence 8/10
Evidence quality 4/5
Human-validated context

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